What is the cheapest airline that flies from Austin Bergstrom to Florida Keys?

Frontier, American Airlines, and Southwest are the most popular carriers operating from Austin Bergstrom to Florida Keys

How many flights depart from Austin to Florida Keys on average per week?

As of October 2025, 63 flights take off from Austin and land in Florida Keys each week. The most common flight departure day for this route is Wed, with 19% of weekly flights taking off on this day.

What airlines fly to Florida Keys?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Florida Keys from Austin according to our data. American Airlines is the first choice among our users, with 75% of people opting to fly with this airline when traveling to Florida Keys. Keep in mind that there are 3 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Austin Bergstrom Airport to Florida Keys?

Prices for flights from Austin Bergstrom Airport to Florida Keys were last updated today.

How many operators does momondo search for flights from Austin Bergstrom Airport to Florida Keys?

There are 6 operators available for flights from Austin Bergstrom Airport to Florida Keys as of October 2025.

How old do you have to be to fly from Austin Bergstrom Airport to Florida Keys?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Florida Keys.

What documentation or ID do you need to fly to Florida Keys?

The travel and health documents you'll need for your trip to Florida Keys may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Florida Keys. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$63 Cheap Flights from Austin to Florida Keys in 2025/26

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Find the cheapest flights from Austin to Florida Keys

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:23 am - 12:06 pmAUS-MIA

2h 43mnonstop

6:25 am - 12:14 amMIA-AUS

18h 49m1 stop

$100Frontier

Find Deal

Sun, Feb 22 - Fri, Feb 27

10:34 am - 2:33 pmAUS-MIA

2h 59mnonstop

5:01 am - 11:37 amMIA-AUS

7h 36m1 stop

$102Frontier

Find Deal

Sun, Nov 9 - Thu, Nov 13

7:21 pm - 7:39 pmAUS-MIA

23h 18m1 stop

6:09 pm - 8:27 pmMIA-AUS

3h 18mnonstop

$103Frontier

Find Deal

Thu, Dec 4 - Sun, Dec 7

10:48 am - 2:31 pmAUS-MIA

2h 43mnonstop

5:35 am - 5:03 pmMIA-AUS

12h 28m1 stop

$109Frontier

Find Deal

Mon, Jan 12 - Fri, Jan 23

5:00 am - 8:44 amAUS-MIA

2h 44mnonstop

10:48 pm - 12:59 amMIA-AUS

3h 11mnonstop

$111American Airlines

Find Deal

Sat, Dec 6 - Sun, Dec 7

10:59 am - 2:42 pmAUS-MIA

2h 43mnonstop

10:48 pm - 12:59 amMIA-AUS

3h 11mnonstop

$129American Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

12:05 pm - 8:05 pmAUS-MIA

7h 00m1 stop

7:35 am - 12:45 pmMIA-AUS

6h 10m1 stop

$144Southwest

Find Deal

Tue, Jan 27 - Sat, Jan 31

9:00 am - 12:42 pmAUS-MIA

2h 42mnonstop

7:21 pm - 9:46 pmMIA-AUS

3h 25mnonstop

$157Delta

Find Deal

Fri, Dec 12 - Tue, Dec 23

5:45 am - 1:30 pmAUS-EYW

6h 45m1 stop

2:25 pm - 12:07 amEYW-AUS

10h 42m1 stop

$179Spirit Airlines

Find Deal

Sat, Feb 28 - Tue, Mar 3

5:45 am - 1:30 pmAUS-EYW

6h 45m1 stop

2:25 pm - 12:07 amEYW-AUS

10h 42m1 stop

$202Spirit Airlines

Find Deal

Sun, Mar 1 - Tue, Mar 3

Frontier flights from Austin to Florida Keys

Our best Frontier deals on Austin to Florida Keys flight tickets

Frontier

Feb 22

AUS8:23 amAustin Bergstrom

2h 43m

MIA12:06 pmMiami

Feb 27

MIA6:25 amMiami

18h 49m

1 stop

AUS12:14 amAustin Bergstrom

$100

Find similar

Frontier

Nov 9

AUS10:34 amAustin Bergstrom

2h 59m

MIA2:33 pmMiami

Nov 13

MIA5:01 amMiami

7h 36m

1 stop

AUS11:37 amAustin Bergstrom

$102

Find similar

Frontier

Dec 4

AUS7:21 pmAustin Bergstrom

23h 18m

1 stop

MIA7:39 pmMiami

Dec 7

MIA6:09 pmMiami

3h 18m

AUS8:27 pmAustin Bergstrom

$103

Find similar

American Airlines flights from Austin to Florida Keys

Our best American Airlines deals on Austin to Florida Keys flight tickets

American Airlines

Dec 6

AUS5:00 amAustin Bergstrom

2h 44m

MIA8:44 amMiami

Dec 7

MIA10:48 pmMiami

3h 11m

AUS12:59 amAustin Bergstrom

$111

Find similar

American Airlines

Dec 4

AUS10:59 amAustin Bergstrom

2h 43m

MIA2:42 pmMiami

Dec 8

MIA10:48 pmMiami

3h 11m

AUS12:59 amAustin Bergstrom

$129

Find similar

American Airlines

Feb 6

AUS11:12 amAustin Bergstrom

2h 39m

MIA2:51 pmMiami

Feb 9

MIA7:00 pmMiami

3h 29m

AUS9:29 pmAustin Bergstrom

$131

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Sun 2/22

8:23 am-12:06 pm

Nonstop2h 43m

Miami

Fri 2/27

6:25 am-12:14 am

1 stop18h 49m

$100

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Sun 11/9

10:34 am-2:33 pm

Nonstop2h 59m

Miami

Thu 11/13

5:01 am-11:37 am

1 stop7h 36m

$102

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Thu 12/4

7:21 pm-7:39 pm

1 stop23h 18m

Miami

Sun 12/7

6:09 pm-8:27 pm

Nonstop3h 18m

$103

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Mon 1/12

10:48 am-2:31 pm

Nonstop2h 43m

Miami

Fri 1/23

5:35 am-5:03 pm

1 stop12h 28m

$109

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Sat 12/6

5:00 am-8:44 am

Nonstop2h 44m

Miami

Sun 12/7

10:48 pm-12:59 am

Nonstop3h 11m

$111

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Thu 12/4

10:59 am-2:42 pm

Nonstop2h 43m

Miami

Mon 12/8

10:48 pm-12:59 am

Nonstop3h 11m

$129

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Tue 1/27

12:05 pm-8:05 pm

1 stop7h 00m

Miami

Sat 1/31

7:35 am-12:45 pm

1 stop6h 10m

$144

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Fri 12/12

9:00 am-12:42 pm

Nonstop2h 42m

Miami

Tue 12/23

7:21 pm-9:46 pm

Nonstop3h 25m

$157

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 2/28

5:45 am-1:30 pm

1 stop6h 45m

Key West

Tue 3/3

2:25 pm-12:07 am

1 stop10h 42m

$179

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sun 3/1

5:45 am-1:30 pm

1 stop6h 45m

Key West

Tue 3/3

2:25 pm-12:07 am

1 stop10h 42m

$202

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How to get the cheapest flight ticket from Austin to Florida Keys

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Florida Keys?

The month of August is another great option to travel to Florida Keys, with average flight prices from Austin averaging around $207.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Austin to Florida Keys is on a Friday when prices can be found for as low as $526. The most expensive day to fly to Florida Keys is Saturday, with ticket prices averaging around $604.

What is the cheapest time of day to depart on your flight to Florida Keys?

According to our data, the cheapest time of day to fly to Florida Keys is in the evening. momondo users have found flights departing from Austin to Florida Keys in the evening for as low as $105. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $591.

How far in advance should I book a flight to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $328 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from Austin for as low as $275 on momondo.

Can stopping save me money on Austin to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Austin to Florida Keys.

Cheap Austin to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Florida Keys

Fastest flight time	2h 35m
Direct flights	Every day
Airports in Florida Keys	1 airport

The fastest flight from Austin to Florida Keys takes 2h 35m

Direct flights go from Austin to Florida Keys every day.

There is 1 airport near Florida Keys: Miami (MIA)

Search flight deals

When did momondo last update prices for flights from Austin Bergstrom Airport to Florida Keys?
Prices for flights from Austin Bergstrom Airport to Florida Keys were last updated today.
How many operators does momondo search for flights from Austin Bergstrom Airport to Florida Keys?
There are 6 operators available for flights from Austin Bergstrom Airport to Florida Keys as of October 2025.
How old do you have to be to fly from Austin Bergstrom Airport to Florida Keys?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The travel and health documents you'll need for your trip to Florida Keys may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Florida Keys. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Austin to Florida Keys?
momondo data reveals that the most frequently booked plane model on the route from Austin to Florida Keys is Boeing 737 MAX 8, representing 16.85% of all bookings. The subsequent popular models are Boeing 737-800 at 11.70%, Boeing 737-800 Passenger/BBJ2 (winglets) at 10.29%, and Airbus A320-100/200 at 10.13%.

Best airlines flying from Austin to Florida Keys

Compare and see reviews for airlines that fly from Austin to Florida Keys with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $196	Free Cancellation	Rating 7.9 7,982 reviews	Search Delta flights
American Airlines	PriceFrom $226	Free Cancellation	Rating 7.2 11,033 reviews	Search American Airlines flights
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 8,995 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Florida Keys?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Austin to Florida Keys. momondo saves you time and could save you money on your trip.

Can I find flights from Austin to Florida Keys with flexible booking policies on momondo?

All flight searches from Austin to Florida Keys on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Austin to Florida Keys?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Austin to Florida Keys.

I’m not ready to book a flight from Austin to Florida Keys right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Florida Keys from Austin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Flights to New Yorkfrom $48

Flights to Los Angelesfrom $49

Flights to Miamifrom $49

Flights to Chicagofrom $49

Flights to Orlandofrom $47

Flights to Las Vegasfrom $38

Flights to San Franciscofrom $48

Flights to Washington, D.C.from $47

Flights to Bostonfrom $60

Flights to Atlantafrom $47

Flights to Dallasfrom $52

Flights to Seattlefrom $54

Cheap flights from Austin to Florida Keys from $63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Florida Keys departing on 2/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Find the cheapest flights from Austin to Florida Keys

Cheap round-trip flights

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Frontier flights from Austin to Florida Keys

Our best Frontier deals on Austin to Florida Keys flight tickets

American Airlines flights from Austin to Florida Keys

Our best American Airlines deals on Austin to Florida Keys flight tickets

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Use the filters below to find and compare flights from Austin to Florida Keys that are best for you.

See travel insights to Florida Keys from

How to get the cheapest flight ticket from Austin to Florida Keys

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Florida Keys?

The month of August is another great option to travel to Florida Keys, with average flight prices from Austin averaging around $207.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Austin to Florida Keys is on a Friday when prices can be found for as low as $526. The most expensive day to fly to Florida Keys is Saturday, with ticket prices averaging around $604.

What is the cheapest time of day to depart on your flight to Florida Keys?

How far in advance should I book a flight to Florida Keys?

Can stopping save me money on Austin to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Austin to Florida Keys.

What is the cheapest airline that flies from Austin Bergstrom to Florida Keys?

Frontier, American Airlines, and Southwest are the most popular carriers operating from Austin Bergstrom to Florida Keys

What airlines fly to Florida Keys?

How many flights depart from Austin to Florida Keys on average per week?

As of October 2025, 63 flights take off from Austin and land in Florida Keys each week. The most common flight departure day for this route is Wed, with 19% of weekly flights taking off on this day.

Cheap Austin to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Florida Keys

Fastest flight time

Direct flights

Airports in Florida Keys

When did momondo last update prices for flights from Austin Bergstrom Airport to Florida Keys?

How many operators does momondo search for flights from Austin Bergstrom Airport to Florida Keys?

How old do you have to be to fly from Austin Bergstrom Airport to Florida Keys?

What documentation or ID do you need to fly to Florida Keys?

What is the most popular plane model from Austin to Florida Keys?

Best airlines flying from Austin to Florida Keys

Compare and see reviews for airlines that fly from Austin to Florida Keys with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Florida Keys?

Can I find flights from Austin to Florida Keys with flexible booking policies on momondo?

How can momondo help me find flights from Austin to Florida Keys?

I’m not ready to book a flight from Austin to Florida Keys right now. Can momondo alert me if prices change?

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Florida Keys

Popular cities in Florida Keys

Popular flights according to clicks in the last 7 days on momondo